TABLE OF CONTENTS
Page
Specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Installation
Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Mounting the Radio . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Ignition Noise Interference . . . . . . . . . . . . . . . . . . . . . . 5
Antenna . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Tuning the Antenna for Optimum SWR . . . . . . . . . . . . 6
External Speaker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Operation
Control Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
A. Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
B. Rear Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Press-To-Talk Microphone . . . . . . . . . . . . . . . . . . . . . . 11
Operating Procedure to Receive . . . . . . . . . . . . . . . . . . 11
Operating Procedure to Transmit . . . . . . . . . . . . . . . . . 11
Alternate Microphones and Installation . . . . . . . . . . . . 12
Specifications
GENERAL
Frequency Range 28.315 to 28.755 MHz
Frequency Control Phase Lock Loop (PLL) synthesizer.
Frequency Tolerance 0.005%
Frequency Stability 0.001%
Operating Temperature
Range
-30 °C to +50 °C.
Microphone Plug-in dynamic; with push-to-talk switch and
coiled cord.
Input Voltage 13.8V DC nominal, 15.9V max, 11.7V min.
(Positive or negative ground).
Transmit: AM full mod., 2.2A.
Receiver: Squelched, 0.3A.
Maximum Audio output, 0.7A.
Size 2-3/8” (H) x 7-7/8” (W) x 9-1/4” (D).
Weight 5 Ibs.
Antenna Connector UHF, SO239
Meter Illuminated; indicates relative output power,
received signal strength.
TRANSMITTER
Power output AM/FM, High-7 watts
Modulation High-and low-level Class B, Amplitude
Modulation: AM. Variable capacitance
Frequency Modulation: FM.
Spurious Emissions 60 dB
Frequency Response AM and FM: 450 to 2500 Hz.
Output Impedance 50 ohms, unbalanced
Output Indicators Meter shows relative RF output power and
SWR. Transmit LED glows red when
transmitter is in operation.
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